1565483647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{12457}}^1$

素因数の和:13858

約数の個数: 16

約数和(自身を含む): 1928299072

約数和(自身を除く): 362815425

約数列:

[1, 7, 13, 91, 1381, 9667, 12457, 17953, 87199, 125671, 161941, 1133587, 17203117, 120421819, 223640521, 1565483647]

約数ペア:

[(1, 1565483647), (7, 223640521), (13, 120421819), (91, 17203117), (1381, 1133587), (9667, 161941), (12457, 125671), (17953, 87199)]